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ISO 7660:1983

Essential oils — Determination of ester value of oils containing difficult-to-saponify esters ISO 7660:1983

Publication date:   Oct 1, 1983

General information

90.93   Standard confirmed   Mar 10, 2023

ISO

ISO/TC 54 Essential oils

International Standard

71.100.60   Essential oils

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Published

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Scope

The method consists in hydrolysis of the esters present in a test portion by heating in the presence of a standard volumetric solution of potassium hydroxide in dimethylsulfoxide, and back-titration of the excess potassium hydroxide with a standard volumetric solution of sulfuric acid or hydrochloric acid.

Life cycle

NOW

PUBLISHED
ISO 7660:1983
90.93 Standard confirmed
Mar 10, 2023




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